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From Suresh Marru <>
Subject Re: [DISCUSS] Apache Open Climate Workbench
Date Mon, 28 Jan 2013 00:36:12 GMT

On Jan 27, 2013, at 1:56 PM, "Mattmann, Chris A (388J)" <>

> Hey Suresh,
> Thanks a ton man and great to hear!
> To your comment below:
> On 1/27/13 5:56 AM, "Suresh Marru" <> wrote:
>> Hi Chris,
>> Great proposal, I am personally looking forward to see more of these
>> federal government and international collaboration efforts adopt open
>> community process. Impressive to see this project is pulling together
>> initial developers from government and universities of US, South Africa,
>> UK, Germany and India (I will hope all of them will be able to get their
>> CLA's cleared). You are really scraping the black ice on bureaucratic
>> highways and preventing at least some reinventing wheels with valuable
>> tax payers money in multiple countries.
>> Will this system evaluate and be inclusive of the community earth system
>> modeling community?
> Yep this proposal includes some of those that are directly involved in
> that community including Tsengdar Lee, as well as members of the Earth
> System Grid Federation. We will definitely be inclusive and are happy to
> have involvement.

Sounds very good. I am unable to resist my itch, so will like to jump on the band wagon as
a committer. Please let me know if I can add myself to the proposal wiki. 


> Thanks!
> Cheers,
> Chris
>> Suresh
>> On Jan 26, 2013, at 2:48 PM, "Mattmann, Chris A (388J)"
>> <> wrote:
>>> Hi Everyone!
>>> I bring to the Incubator a new proposal for the Apache Open Climate
>>> Workbench (incubating) project. I've added the proposal to the Incubator
>>> wiki here:
>>> The project is a distributed, scalable approach for the rapid comparison
>>> of remote sensing data (e.g., from NASA) with that of climate model
>>> output
>>> generated by major US and international activities including the US
>>> National Climate Assessment, the Coordinated Regional Downscaling
>>> Experiment (CORDEX), the North American Regional Climate Change
>>> Assessment
>>> Program (NARCCAP) the Intergovernmental Panel on Climate Change (IPCC).
>>> Much of the software to be donated and evolved here at Apache as a
>>> community includes core dependencies to several Apache projects (OODT,
>>> Hadoop/HIVE, Sqoop, Tika), and to several key toolkits in the Python
>>> software community including NumPy, SciPy, Matplotlib, NCAR NCL, etc.
>>> We welcome your feedback over the next week or so for discussion and
>>> look
>>> forward to it!
>>> Cheers,
>>> Chris Mattmann
>>> Proposed Mentor and Champion
>>> ---------------proposal text
>>> = Apache Open Climate Workbench, tool for scalable comparison of remote
>>> sensing observations to climate model outputs, regionally and globally.
>>> =
>>> === Abstract ===
>>> The Apache Open Climate Workbench proposal desires to contribute an
>>> existing community of software related to the analysis and evaluation of
>>> climate models, and related to the use of remote sensing data in that
>>> process. 
>>> Specifically, we will bring a fundamental software toolkit for analysis
>>> and evaluation of climate model output against remote sensing data. The
>>> toolkit is called the [[|Regional Climate Model
>>> Evaluation System (RCMES)]]. RCMES provides two fundamental components
>>> for
>>> the easy, intuitive comparison of climate model output against remote
>>> sensing data. The first component called RCMED (for "Regional Climate
>>> Model Evaluation Database") is a scalable cloud database that decimates
>>> remote sensing data and renalysis data related to climate using Apache
>>> OODT extractors, Apache Tika, etc. These transformations make
>>> traditionally heterogeneous upstream remote sensing data and climate
>>> model
>>> output homogeneous and unify them into a data point model of the form
>>> (lat, lng, time, value, height) on a per parameter basis. Latitude (lat)
>>> and Longitude (lng) are in WGS84 format, but can be reformatted on the
>>> fly. time is in ISO 8601 format, a string sortable format independent of
>>> underlying store. value carries with it units, related to interpretation
>>> and height allows for different values for different atmospheric
>>> vertical
>>> levels. All of RCMES is built on Apache OODT, Apache Sqoop/Apache Hadoop
>>> and Apache Hive, along with hooks to PostGIS and MySQL (traditional
>>> relational databases). The second component of the system, RCMET (for
>>> "Regional Climate Model Evaluation Toolkit") provides facilities for
>>> connecting to RCMED, dynamically obtaining remote sensing data for a
>>> space/time region of interest, grabbing associated model output (that
>>> the
>>> user brings, or from the Earth System Grid Federation) of the same form,
>>> and then regridding the remote sensing data to be on the model output
>>> grid, or the model output to be on the remote sensing data grid. The
>>> regridded data spatially is then temporally regridded using techniques
>>> including seasonal cycle compositing (e.g., all summer months, all
>>> Januaries, etc.), or by daily, monthly, etc. The uniform model output
>>> and
>>> remote sensing data are then analyzed using pluggable metrics, e.g.,
>>> Probability Distribution Functions (PDFs), Root Mean Squared Error
>>> (RMSE),
>>> Bias, and other (possibly user-defined) techniques, computing an
>>> analyzed
>>> comparison or evaluation. This evaluation is then visualized by plugging
>>> in to the NCAR NCL library for producing static plots (histograms, time
>>> series, etc.)
>>> We also have performed a great deal of work in packaging RCMES to make
>>> the
>>> system easy to deploy. We have working Virtual Machines (VMWare VMX and
>>> Virtual Box OVA compatible formats) and we also have an installer built
>>> on
>>> Python Buildout ( called "Easy RCMET" for
>>> dynamically
>>> constructing the RCMET toolkit.
>>> RCMES is currently supporting a number of recognized climate projects of
>>> (inter-)national significance. In particular, RCMES is supporting the
>>> [[|U.S. National
>>> Climate
>>> Assessment (NCA) activities]] on behalf of NASA's contribution to the
>>> NCA;
>>> is working with the [[|North American
>>> Regional
>>> Climate Change Assessment Program (NARCCAP)]]; and is also working with
>>> the International [[|Coordinated
>>> Regional Downscaling Experiment (CORDEX)]].
>>> === Proposal ===
>>> We propose to transition the RCMES software community, which includes
>>> developers of the RCMET and RCMED software, along with users of RCMES in
>>> the CORDEX project across a variety of academic institutions, scientists
>>> helping to improve the RCMES metrics, and visualizations, and regridding
>>> algorithms, packagers making RCMES easier to install, and scientists
>>> helping to lead some of these international projects that are already
>>> using RCMES. 
>>> We have been working on the RCMES project since 2009 funded initially by
>>> the American Recovery and Reinvestment Act (ARRA) project out at NASA,
>>> and
>>> then branching out into other sources of support and sustainability
>>> (NASA;
>>> NSF, etc. -- see the
>>> [[|acknowledgements]] section on
>>> the RCMES website for a full list of supporting U.S. and international
>>> partners). 
>>> With the existing RCMES community at Apache, we will also work to
>>> encourage other climate software projects e.g., Open Climate GIS,
>>> elements
>>> of the Earth System Grid Federation, other NASA climate projects funded
>>> under the Computational Modeling, Algorithms and Cyberinfrastructure
>>> (CMAC) to contribute to the Open Climate Workbench here at Apache.
>>> RCMED is a Big Data project that combines several underlying Apache
>>> software -- OODT, Tika, Hadoop, HIVE, and Sqoop -- and other related
>>> data
>>> management software. Its primary language is Java; RCMET, on the other
>>> hand, is a Python API, associated set of classes (framework), set of
>>> Python Bottle Web services, and a PHP "Wizard"-based User Interface that
>>> leverages Apache OODT Balance.
>>> === Background ===
>>> Bringing RCMES to Apache was the brain-child of Chris Mattmann, based on
>>> his solid experience with Apache OODT and bringing it to the ASF. Chris
>>> worked for a year to get the support of the JPL community including
>>> approvals from the Software Release authority at JPL to release the
>>> software. 
>>> The initial code drop will include the RCMES SVN repository from JPL
>>> including prior revisions. We anticipate also including a smaller
>>> package,
>>> CDX, which contains some useful facilities for regridding, and command
>>> line tools for manipulating large datasets, and working with OPeNDAP,
>>> etc.
>>> After the code drop, we will work with our developers, users,
>>> documentors,
>>> and other members of the team to teach those unfamiliar with the Apache
>>> way how it works around here at Apache. 30% of the community from RCMES
>>> includes those intimately familiar with Apache including 5 ASF members
>>> --
>>> the other 70% include a range of scientific code developers, climate
>>> scientists that use RCMES, program officers that will help make
>>> documentation and slides for the code, and advocate for it in the
>>> community. Their experience with Apache ranges from using various ASF
>>> products, to contributing patches to them, to not using any ASF software
>>> at all.
>>> With this diversity, we anticipate that while everything may not just
>>> work
>>> turnkey out of the box, this represents a unique opportunity to
>>> demonstrate Apache to the international community and to show the
>>> benefits
>>> of its community and social models. That said, we also have a lot of ASF
>>> experience to make sure everyone learns the Apache way.
>>> === Rationale ===
>>> We are bringing RCMES to Apache for a few reasons. First, we feel that
>>> it
>>> will immediately enable our collaborators across a number of
>>> institutions
>>> both nationally and internationally have the opportunity to work on a
>>> common software base, and to improve it with contributions from their
>>> own
>>> sites. Currently these are difficult to negotiate now because of varied
>>> legal and contribution frameworks -- Apache allows us to simplify this
>>> to
>>> a unified one. Second, using the ASF's world-wide mirroring system, we
>>> will be able to deliver climate software broadly to the community as we
>>> release it, rather than sneaker netting the software around or
>>> establishing our own point release infrastructure.
>>> Bringing this project to Apache also immediately thrusts the ASF into
>>> the
>>> thriving ecosystem of the Coordinated Regional Downscaling Experiment
>>> (CORDEX), the US National Cimate Assessment, the North American Regional
>>> Climate Change Assessment Program (the US contribution to CORDEX) and
>>> into
>>> relevance for upcoming Intergovernmental Panel on Climate Change (IPCC)
>>> assessment activities at a number of different institutions. We also
>>> seek
>>> to help lead and encourage du jour standard development rather than top
>>> down level dictating of standards for climate software and the ASF will
>>> provide us a means for that.
>>> === Initial Goals ===
>>> The initial goals of the proposed project are:
>>> * Stand up a sustaining Apache-based community around the JPL RCMES
>>> codebase.
>>> * Active relationships and possible cooperation with related projects
>>> and
>>> communities, including end user and scientific communities, CORDEX,
>>> * Active relationships and possible cooperation with existing Apache
>>> communities, e.g., OODT, Hadoop/HIVE, Sqoop, Tika, SIS, etc.
>>> * Initial Apache release.
>>> * Leverage Apache Open Climate Workbench in climate activities at NASA,
>>> in the international community as mentioned above, and beyond.
>>> * Vetting all software licenses and making sure IP is clear (software
>>> grant from JPL forthcoming).
>>> == Current Status ==
>>> === Meritocracy ===
>>> 30% of the proposed initial committers are familiar with the meritocracy
>>> principles of Apache. As stated above this includes 5 ASF members. Of
>>> the
>>> mentorship list, we have included Chris Douglas, a PMC member from
>>> Hadoop
>>> and ASF member to help guide the community. Chris M. and Chris D. have
>>> guided a number of projects through the Incubator over the years. The
>>> other mentor includes Paul Ramirez, who has experience with the
>>> Incubator
>>> -- he was a mentor for Apache Any23, and also was  one of the PPMC
>>> members
>>> and eventual mentor for Apache SIS. The 70% of proposed initial
>>> committers
>>> that aren't as familiar with Apache have a broad range of experience in
>>> other open source projects, and have a deep respect and affinity for the
>>> foundation and the work that gets done here. The more experience ASF
>>> mentors and project members will help to guide them.
>>> === Community ===
>>> There is an existing, established community of developers and users of
>>> this projet. This includes established communities including the
>>> Coordinated Regional Downscaling Experiment, the U.S. National Climate
>>> Assessment (NCA), the North American Regional Climate Change Assessment
>>> Program (NARCCAP), and more. The Coordinated Regional Climate
>>> Downscaling
>>> Experiment (CORDEX, is a
>>> world wide effort of coordination of regional climate downscaling (RCD)
>>> experiments driven by the World Climate Research Program (WRCP,
>>> Recently, a large number of
>>> RCD
>>> projects have been carried out on a large parts of the world. To
>>> maximize
>>> the benefits of these research activities the WCRP designed a framework
>>> (Giorgi, WMO-Bulletin, 2009) focused on "quality-control [of] data sets
>>> of
>>> RCD-based information for the recent historical past and 21st century
>>> projections, covering the majority of populated land regions on the
>>> globe".  CORDEX defined different control domains (up to 10,
>>> for almost all the populated regions of
>>> the
>>> world in a way to standardize the experiments and make them comparable.
>>> A
>>> key region focused on Africa was also designated as the top priority by
>>> WRCP. CORDEX also provides a a series of conventions and list of
>>> variables
>>> that have to be followed by any project that wants to contribute to the
>>> experiment. Each CORDEX region has a coordinator and regional and
>>> international periodic meetings are scheduled in a way to ensure the
>>> global well being. NARCCAP is the U.S. contribution to CORDEX. From the
>>> [[|US
>>> National Climate Assessment]] site, work is "being conducted under the
>>> auspices of the Global Change Research Act of 1990. The GCRA requires a
>>> report to the President and the Congress every four years that
>>> integrates,
>>> evaluates, and interprets the findings of the U.S. Global Change
>>> Research
>>> Program (USGCRP); analyzes the effects of global change on the natural
>>> environment, agriculture, energy production and use, land and water
>>> resources, transportation, human health and welfare, human social
>>> systems,
>>> and biological diversity; and analyzes current trends in global change,
>>> both human-induced and natural, and projects major trends for the
>>> subsequent 25 to 100 years."
>>> Apache Open Climate Workbench will support all of these communities
>>> above,
>>> with an eye towards being a general purpose climate evaluation toolkit
>>> for
>>> model output and remote sensing data.
>>> === Core Developers ===
>>> The initial set of developers comes from various NASA centers (JPL, and
>>> Goddard Space Flight Center), NASA HQ, various  Universities
>>> participating
>>> in CORDEX (Cape Town, University of New South Wales), the Indian
>>> Institute
>>> of Tropical Meteorology, the Free Univ. Berlin), the University of
>>> California Los Angeles, and Howard University. As mentioned previously
>>> several of our developers are Apache veterans and understand how it
>>> works
>>> around here and for those that don't, they will have great mentorship.
>>> === Alignment ===
>>> Our proposed effort aligns with the U.S. National Climate Assessment,
>>> the
>>> CORDEX effort, other efforts, including the Earth System Grid
>>> Federation,
>>> other climate software including the Open Climate GIS toolkit, other
>>> science portals for climate including the Climate Information Portal
>>> (CIP)
>>> at the University of Cape Town, and other related projects.
>>> There are also a number of related Apache projects and dependencies,
>>> that
>>> will be mentioned in the Relationships with Other Apache products
>>> section.
>>> == Known Risks ==
>>> === Orphaned products ===
>>> Our project has a history of funding support from JPL, NASA
>>> (Applications
>>> program/ARRA, NCA, AIST), NSF (ExArch project), international investment
>>> from collaborators, and from other funding sources. The funding sources
>>> are all target future deliverables and activities, so there is little
>>> chance this software and community will be orphaned.
>>> === Inexperience with Open Source ===
>>> All the initial developers have worked on open source before -- 30% of
>>> the
>>> proposed initial community are experience with the ASF, and are PMC
>>> members and committers on ASF project including 5 ASF members. Our
>>> mentors
>>> are all ASF members, and we welcome any interest from additional Apache
>>> mentors in the effort. Those 70% of our project that aren't Apache
>>> committers, PMC members, or members will benefit from the leadership of
>>> the other 30% of the project.
>>> === Homogenous Developers ===
>>> The initial developers come from a variety of backgrounds and with a
>>> variety of needs for the proposed framework. Everyone is used to
>>> communicating on mailing lists as the project spans timezones,
>>> international institutions and centers of excellence for climate
>>> science.
>>> === Reliance on Salaried Developers ===
>>> All of the proposed initial developers are paid to work on this or
>>> related
>>> projects, but the proposed project is not the primary task for anyone.
>>> === Relationships with Other Apache Products ===
>>> As mentioned above, RCMES and the Apache Open Climate Workbench already
>>> depend on Apache OODT for facade interfaces to underlying data
>>> warehouses
>>> for storing remote sensing data; and for metadata extraction and
>>> transformation. The software also uses Apache Tika for this (through a
>>> transitive dependency from OODT). In addition, we have hooks to Apache
>>> Hadoop/HIVE, as well as dependencies on Apache Sqoop for dumping out
>>> remote sensing data from MySQL and into HIVE.
>>> === A Excessive Fascination with the Apache Brand ===
>>> All of us are familiar with Apache and have a respect for its brand and
>>> community. Chris Mattmann is a big proponent of Apache's sustainability
>>> factor -- and it's ability to grow software communities, in an
>>> institution, or funding source neutral manner. All of the community have
>>> an extreme respect for Apache, including those in our communities who
>>> aren't necessarily trained computer scientists, but are Scientists (big
>>> "S", e.g., land, physical, Earth/Climate scientists).
>>> == Documentation ==
>>> The initial RCMES code base will come from the internal JPL Subversion
>>> repository. The [[Regional Climate Model Evaluation System (RCMES)
>>> project|]] at [[JPL|]]
>>> has documentation on the existing software, including links to funding
>>> support, communities, and other projects. We will continue to maintain
>>> that site at JPL, which is part of the reason for rebranding the project
>>> here at Apache with a new name to not interfere with the existing RCMES
>>> one that has a following. In addition, we hope to evolve RCMES@JPL to
>>> have
>>> increasing levels of dependency on Apache Open Climate Workbench, so
>>> that
>>> we can incrementally transition with little impact to existing
>>> customers.
>>> In addition, JPL's [[|Climate Data eXchange
>>> (CDX)]]
>>> website also has documentation on the existing software.
>>> == Initial Source ==
>>> The project will start with seed code donated by NASA JPL via Mattmann
>>> and
>>> the rest of the initial committers, which consists of the Regional
>>> Climate
>>> Model Evaluation System (RCMES) toolkit, and the Climate Data eXchange
>>> (CDX) software. This will include the core Python API for RCMET, the
>>> OODT catalog project (which stores remote sensing data to MySQL/PostGIS,
>>> and HIVE), and the RCMED extractors for various climate formats. The
>>> source will also include Easy-RCMET, the Python Buildout for RCMET. In
>>> addition, we will bring along the CDX toolkit, which includes a CDX
>>> client
>>> package that performs subsetting, access, regridding of climate data;
>>> and
>>> also includes a Python Buildout installer of its own called Uber CDX.
>>> == Source and Intellectual Property Submission Plan ==
>>> All seed code and other contributions will be handled through the normal
>>> Apache contribution process. Mattmann has been authorized by NASA JPL to
>>> lead the contribution of RCMES and CDX into the Incubator via his
>>> existing
>>> Apache CLA, and a Software Grant to be provided.
>>> We will also contact other related efforts for possible cooperation and
>>> contributions.
>>> == External Dependencies ==
>>> Our project depends on a number of external libraries with various
>>> licensing conditions. An initial list of such dependencies is shown
>>> below.
>>> ||<tableclass="bodyTable"rowclass="b">'''Library''' ||'''License''' ||
>>> ||<rowclass="b">[[|NCAR NCL]]||MIT compat||
>>> ||<rowclass="a">[[|PyNIO]]||MIT
>>> compat||
>>> ||<rowclass="b">[[|PyNGL]]||MIT compat||
>>> ||<rowclass="a">[[|Matplotlib]]||Modifi
>>> ed
>>> PSF license||
>>> ||<rowclass="b">[[|Scipy]]||MIT compat||
>>> ||<rowclass="a">[[|NumPy]]||MIT compat||
>>> ||<rowclass="b">[[|HDF5]]||BSD||
>>> ||<rowclass="a">[[|NetCDF]]||
>>> MI
>>> T||
>>> == Cryptography ==
>>> The project itself will not use cryptography, but it is possible that
>>> some
>>> of the external software libraries will include cryptographic code to
>>> handle features present in various science data formats. If we need to
>>> provide an export control statement regarding cryptographic code per
>>> Apache policy, we will follow a similar approach by Mattmann in
>>> [[|Apache Nutch]] and by Jukka Zitting
>>> lead
>>> this effort in Apache Tika. Mattmann is familiar with this process.
>>> == Required Resources ==
>>> Mailing lists
>>> *
>>> *
>>> *
>>> Subversion Directory
>>> *
>>> Issue Tracking
>>> Other Resources
>>> * CLIMATE Wiki
>>> * Review Board instance - CLIMATE
>>> * Jenkins instance - CLIMATE
>>> == Initial Committers ==
>>> ||'''Name''' ||'''Email''' ||'''Affiliation''' ||'''CLA''' ||
>>> ||Chris A. Mattmann ||mattmann at apache dot org
>>> ||[[|NASA Jet Propulsion Laboratory]] ||yes ||
>>> ||Cameron E. Goodale ||cgoodale at apache dot org
>>> ||[[|NASA Jet Propulsion Laboratory]] ||yes ||
>>> ||Paul Ramirez ||pramirez at apache dog org
>>> ||[[|NASA Jet Propulsion Laboratory]] ||yes ||
>>> ||Andrew F. Hart ||ahart at apache dot org
>>> ||[[|NASA Jet Propulsion Laboratory]] ||yes ||
>>> ||Jinwon Kim||jkim at atmos dot ucla dot edu
>>> ||[[|UCLA Joint Institute for Regional Earth
>>> System Science and Engineering]] || no||
>>> ||Duane Waliser||duane dot waliser at jpl dot nasa dot gov
>>> ||[[|NASA Jet Propulsion Laboratory]] || no ||
>>> ||Huikyo Lee||Huikyo dot Lee at jpl dot nasa dot
>>> gov||[[|NASA Jet Propulsion Laboratory]] || no
>>> ||
>>> ||Paul Loikith|| Paul dot C dot Loikith at jpl dot nasa dot gov
>>> ||[[|NASA Jet Propulsion Laboratory]] || no ||
>>> ||Daniel J. Crichton||crichton at apache dot
>>> org||[[|NASA Jet Propulsion Laboratory]] || yes
>>> ||
>>> ||Kim Whitehall||Kim dot D dot Whitehall at jpl dot nasa dot gov
>>> ||[[
>>> ml
>>> |Howard University]] || no ||
>>> ||Paul Zimdars||pzimdars at apache dot
>>> org||[[|NASA Jet Propulsion Laboratory]] || yes
>>> ||
>>> ||Chris Jack||cjack at csag dot uct dot ac dot
>>> za||[[|University of Cape Town]] || no ||
>>> ||Bruce Hewitson||hewitson at csag dot uct dot ac dot
>>> za||[[|University of Cape Town]] || no ||
>>> ||Lluis Fita Borrell||l dot fitaborrell at unsw dot edu dot
>>> au||[[|University of New South Wales]] || yes ||
>>> ||Jason Evans||jason dot evans at unsw dot edu dot
>>> au||[[|University of New South Wales]] || no ||
>>> ||Estani Gonzalez||estanislao dot gonzalez at met dot fu-berlin dot de
>>> ||[[|Free University Berlin]] || yes ||
>>> ||Luca Cinquini||luca dot cinquini at jpl dot nasa dot gov
>>> ||[[|NASA Jet Propulsion Laboratory]] || yes ||
>>> ||J. Sanjay||sanjay at tropmet dot res dot in ||
>>> [[|Indian Institute of Tropical Meteorology]] ||
>>> yes
>>> ||
>>> ||M. V. S. Rama Rao||ramarao at tropmet dot res dot in
>>> ||[[|Indian Institute of Tropical Meteorology]] ||
>>> yes ||
>>> ||Tsengdar Lee||tsengdar dot j dot lee at nasa dot gov ||
>>> [[|NASA HQ]] || no ||
>>> ||Laura Carriere||laura dot carriere at nasa dot gov
>>> ||[[|NASA Goddard Space Flight Center]] || no
>>> ||
>>> ||Denis Nadeau|| denis dot nadeau at nasa dot
>>> gov||[[|NASA Goddard Space Flight Center]] ||
>>> no
>>> ||
>>> == Sponsors ==
>>> Champion
>>> * Chris Mattmann (mattmann at apache dot org)
>>> Nominated Mentors
>>> * Chris A. Mattmann (mattmann at apache dot org)
>>> * Chris Douglas (cdouglas at apache dot org)
>>> * Paul Ramirez (pramirez at apache dot org)
>>> Sponsoring Entity
>>> * Apache Incubator
>>> ---------------------------------------------------------------------
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